Tender For corrigendum : procurement of pneumaticcylinderrepair kit and spares of m/s duncanmake for critical dampers and control valves in sg area of 3 x 800mwntpc kudgi - seal kit,schrader duncan,c4248/r5, pneu cylinder,duncan,c4248/r5,4 bar, seal kit,schrader duncan,c044j300, volume booster,delvb-12,duncan, quick exhaust vlv,1/2innpt,duncan,3340cn